This week was rich with R700 video cards news . Let us recall that the first reviews of such cards will appear in Monday 14 July . On sale the R700 card will appear at the end of this month. . In principle, reviewers already obtained the r700 models for tests. The second most important rumor was the r700 version with 2 X 1Gb GDDR5 memory . Actually, the video card radeon HD 4870 X2 will have 2 X 1Gb ( GDDR-5 ), which will be equally distributed between the two video chip, each will communicate with the memory on the 256- bit bus. The memory frequency was not reported officially, but according to the resulting capacity 230 GB/s - we can say that we deal here with the same 3600 MHz DDR as in case of Radeon HD 4870. AMD declares, that the relationship of productivity and energy consumption in R700 is two times better than in predecessor. Producer recommends using for the single video card radeon HD 4870 X2 a power units with not less than 650 W, for two video cards a power unit with not less than 1000 W will be required . Each cards is connected through one six-pin and one octal pin power connector . R700 support the technology ATI power-Play. The HD 4870 X2 , in the profile extreme 3DMark vantage , collects 6920 points .
As comparison let us examine the following 3DMark vantage: results paired with the processor core 2 Extreme QX6850 (3.0 GHz) two Radeon HD 4870 collects approximately 5700 points, and single GeForce GTX 280 - approximately 5400 points. It turns that the Radeon HD 4870 X2 is 21% more effective than two single radeon HD 4870, and approximately 27% faster than one geForce GTX 280. The recommended retail price Of the radeon HD 4870 X2 will be equal to $549. It was considered that this card will appear with $499. Apparently, the 2 GB GDDR5 memory cost a lot . Contemporary AMD cards can rapidly convert video using cyberlink software. AMD calls this technology as : Accelerated video transcoding. It allow to convert video in h.264 and MPEG-2 up to 19 times faster than dual core processor core 2 Duo e8500 (3.16 GHz). With the resolution 1080p h.264 and MPEG-2 this card is approximately 1,8 times faster than the real time scale . Related Products :
|